Mailinglist Archive: opensuse (1837 mails)

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Re: [opensuse] Moving to IPv6
  • From: James Knott <james.knott@xxxxxxxxxx>
  • Date: Fri, 10 Sep 2010 16:52:18 -0400
  • Message-id: <4C8A9A82.9020401@xxxxxxxxxx>
Hans Witvliet wrote:
On Thu, 2010-09-09 at 16:34 -0400, James Knott wrote:
Adam Tauno Williams wrote:
Really? I know of exactly one local company [non-ISP] with a large
enough IPv4 allocation to enumerate all their internal resources. I
doubt the "many". Everywhere I go it is private IPs.

When I was at IBM Canada, (1997 - 2000), I had 5 IP addresses, one for
my own computer ( and 4 for testing in my work. All of
them were reachable from the outside world. I also had 4 SNA addresses
(which I had used often enough to memorize at the time, but have since
forgotten), but that's another story.

At one of our providers here in NL, you still get 5 public v4 addresses
with a business account.
And their normal, ordinary account (with one dynamic address) isn't that
much cheaper than their business account....
It's much the same here where individuals or small businesses generally get 1, one, count 'em, one address. However, businesses can get as many as they can arrange for. Larger businesses, such as IBM, get their own address block(s) assigned to them from the numbering authority, whereas small businesses will have to pay for whatever an ISP will sell them.

On the other hand, my IPv6 subnet, which costs me nothing, contains 2^72 or 4722366482869645213696 addresses. Of course, I lose one of those to the network address. With IPv6, unlike IPv4, you don't lose one to the broadcast address.

I've already used up 6 of my addresses! ;-)

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